129774820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{926963}}^1$

素因数の和:926979

約数の個数: 24

約数和(自身を含む): 311459904

約数和(自身を除く): 181685084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 926963, 1853926, 3707852, 4634815, 6488741, 9269630, 12977482, 18539260, 25954964, 32443705, 64887410, 129774820]

約数ペア:

[(1, 129774820), (2, 64887410), (4, 32443705), (5, 25954964), (7, 18539260), (10, 12977482), (14, 9269630), (20, 6488741), (28, 4634815), (35, 3707852), (70, 1853926), (140, 926963)]